The Graphical Logic of C. S. Peirce*

This work has held up remarkably well over the years; in many ways, it's better than before; web technology lends itself very well to the Existential Graphs. In addition to the clear diagrams and the linking made possible by hypertext, I have been able to enhance and clarify diagrams, especially in the Beta part, by using color and other features of this medium. Aside from clarifying enhancements, however, the development is essentially the same as it was originally. - JJZ